They should do another debate next week between two people who are not running and can actually answer questions and talk about policy. Just to show us what we could have. Elizabeth Warren vs Mitt Romney.
The Heritage Foundation released one that includes several former Trump staff and the current VP nominee; it is Project 2025. You aren't going to get anything more precise out of Trump or his campaign.
Harris released her full platform and it is ok. I'm sure people want her to do more, but I don't know if she has the votes for it.
I don't think you are going to get a full policy update because the policies in Project 2025 are so bad and the Trump campaign doesn't want to run on it. That's why Trump is running on the idea he will stop immigrants from eating your pets.